Create nip28.ts and nip28.test.ts (#264)

nip28.test.ts

@@ -0,0 +1,134 @@
+import {Kind} from './event.ts'
+import {getPublicKey} from './keys.ts'
+import {
+  channelCreateEvent,
+  channelMetadataEvent,
+  channelMessageEvent,
+  channelHideMessageEvent,
+  channelMuteUserEvent,
+  ChannelMetadata,
+  ChannelMessageEventTemplate
+} from './nip28.ts'
+
+const privateKey =
+  'd217c1ff2f8a65c3e3a1740db3b9f58b8c848bb45e26d00ed4714e4a0f4ceecf'
+const publicKey = getPublicKey(privateKey)
+
+describe('NIP-28 Functions', () => {
+  const channelMetadata: ChannelMetadata = {
+    name: 'Test Channel',
+    about: 'This is a test channel',
+    picture: 'https://example.com/picture.jpg'
+  }
+
+  it('channelCreateEvent should create an event with given template', () => {
+    const template = {
+      content: channelMetadata,
+      created_at: 1617932115
+    }
+
+    const event = channelCreateEvent(template, privateKey)
+    expect(event!.kind).toEqual(Kind.ChannelCreation)
+    expect(event!.content).toEqual(JSON.stringify(template.content))
+    expect(event!.pubkey).toEqual(publicKey)
+  })
+
+  it('channelMetadataEvent should create a signed event with given template', () => {
+    const template = {
+      channel_create_event_id: 'channel creation event id',
+      content: channelMetadata,
+      created_at: 1617932115
+    }
+
+    const event = channelMetadataEvent(template, privateKey)
+    expect(event!.kind).toEqual(Kind.ChannelMetadata)
+    expect(event!.tags).toEqual([['e', template.channel_create_event_id]])
+    expect(event!.content).toEqual(JSON.stringify(template.content))
+    expect(event!.pubkey).toEqual(publicKey)
+    expect(typeof event!.id).toEqual('string')
+    expect(typeof event!.sig).toEqual('string')
+  })
+
+  it('channelMessageEvent should create a signed message event with given template', () => {
+    const template = {
+      channel_create_event_id: 'channel creation event id',
+      relay_url: 'https://relay.example.com',
+      content: 'Hello, world!',
+      created_at: 1617932115
+    }
+
+    const event = channelMessageEvent(template, privateKey)
+    expect(event.kind).toEqual(Kind.ChannelMessage)
+    expect(event.tags[0]).toEqual([
+      'e',
+      template.channel_create_event_id,
+      template.relay_url,
+      'root'
+    ])
+    expect(event.content).toEqual(template.content)
+    expect(event.pubkey).toEqual(publicKey)
+    expect(typeof event.id).toEqual('string')
+    expect(typeof event.sig).toEqual('string')
+  })
+
+  it('channelMessageEvent should create a signed message reply event with given template', () => {
+    const template: ChannelMessageEventTemplate = {
+      channel_create_event_id: 'channel creation event id',
+      reply_to_channel_message_event_id: 'channel message event id',
+      relay_url: 'https://relay.example.com',
+      content: 'Hello, world!',
+      created_at: 1617932115
+    }
+
+    const event = channelMessageEvent(template, privateKey)
+    expect(event.kind).toEqual(Kind.ChannelMessage)
+    expect(event.tags).toContainEqual([
+      'e',
+      template.channel_create_event_id,
+      template.relay_url,
+      'root'
+    ])
+    expect(event.tags).toContainEqual([
+      'e',
+      template.reply_to_channel_message_event_id,
+      template.relay_url,
+      'reply'
+    ])
+    expect(event.content).toEqual(template.content)
+    expect(event.pubkey).toEqual(publicKey)
+    expect(typeof event.id).toEqual('string')
+    expect(typeof event.sig).toEqual('string')
+  })
+
+  it('channelHideMessageEvent should create a signed event with given template', () => {
+    const template = {
+      channel_message_event_id: 'channel message event id',
+      content: {reason: 'Inappropriate content'},
+      created_at: 1617932115
+    }
+
+    const event = channelHideMessageEvent(template, privateKey)
+    expect(event!.kind).toEqual(Kind.ChannelHideMessage)
+    expect(event!.tags).toEqual([['e', template.channel_message_event_id]])
+    expect(event!.content).toEqual(JSON.stringify(template.content))
+    expect(event!.pubkey).toEqual(publicKey)
+    expect(typeof event!.id).toEqual('string')
+    expect(typeof event!.sig).toEqual('string')
+  })
+
+  it('channelMuteUserEvent should create a signed event with given template', () => {
+    const template = {
+      content: {reason: 'Spamming'},
+      created_at: 1617932115,
+      pubkey_to_mute: 'pubkey to mute'
+    }
+
+    const event = channelMuteUserEvent(template, privateKey)
+    expect(event!.kind).toEqual(Kind.ChannelMuteUser)
+    expect(event!.tags).toEqual([['p', template.pubkey_to_mute]])
+    expect(event!.content).toEqual(JSON.stringify(template.content))
+    expect(event!.pubkey).toEqual(publicKey)
+    expect(typeof event!.id).toEqual('string')
+    expect(typeof event!.sig).toEqual('string')
+  })
+})